Finding the Third Proportional to 79,422 and 123,489.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,422 : 123,489.50 = 123,489.50 : x
2. Step 2: Convert to fraction form
   79,422/123,489.50 = 123,489.50/x
3. Step 3: Cross multiply
   79,422x = 123,489.50 × 123,489.50
4. Step 4: Simplify right side
   79,422x = 15,249,656,610.25
5. Step 5: Solve for x
   x = 15,249,656,610.25/79,422
6. Step 6: Final answer
   x = 192,007.97